Liquid distributing tray



May 26, 1953 H. TRAMM ETAL 2, 7

LIQUID DISTRIBUTING TRAY Filed May 2:5, 1949 I 2 Shee ts-Sheet 1 May 26, 1953 H. TRAMM ETAL 2,639,947

LIQUID DISTRIBUTING TRAY Filed May 23, 1949 2 Sheets-Sheet 2 Invenfons Patented May 26, I953 2,639,947 I LIQUID DISTRIBUTING TRAY Heinrich Tramm, Mulheim-s peldorf, and Franz -Schaub, Duisburg-Hamborn,

signers to Ruhrchemie Germany, as- Aktiengesellschaft,

Oberhausen-Holten, Germany, a joint-stock company of Germany Application May 23, 1949, Serial No. 94,902 In France June 7, 1948 2 Claims. 1

This invention relates to chemical reactions equipment and more especially to means for distributing liquids uniformly over the entire area of reaction apparatuses, which may be filled with filling bodies or the like.

The distributing device according to this invention has the form of a tray serving for distributing liquid for instance in gases or vapors filling reaction apparatuses and requiring being washed, moistened, absorbed or treated in some other manner.

The distributing device according to this invention consists of a tray formed with perforations. It is adapted to be used in such a manner that the liquid to be distributed is dropped, or forced in form of a jet, onto the center of the tray which is provided with bafile members projecting beyond the tray surface and arranged at those points where the liquid flows off the tray.

The tray may have the form of a plane plate or it may be concave or convex in the direction of the jet of liquid directed onto it. The deflecting members are preferably arranged near the circumferential edge of the tray, but they may also be arranged near the perforations through which the liquid fiows off.

In the drawings affixed to this specification and forming part thereof, several embodiments of this invention are illustrated diagrammatically by way of example.

In the drawings Fig. 1 is an axial Vertical section, while Fig. 2 is a plan view of the first embodiment,

Figs. 3 to 9 are vertical sections, drawn to a somewhat larger scale, of different forms of deflecting means coordinated to the perforations of the tray.

Referring to the drawings and first to Figs. 1 and 2, I is the circular plate forming the tray body and 2 are a great number of perforations arranged in concentric circles. As shown in Fig. 2, the outer perforations may be larger than those nearer the center of the tray and the perforations arranged in one circle are staggered relative to those of an adjoining circle.

As shown in Fig. 1, the tray I may be suspended by means of three arms which are fixed to a liquid supply tube 4. Instead of being suspended by means of arms, the tray may also be suspended by means of chains or cables.

The liquid supplied through the tube 4 hits the center of the tray and owing to its kinetic energy spreads in all directions. Part of the liquid flows off directly through the perforations 2, but by far the greater part is splashed over th circumferential edge 5, the splashing distance being determined by the velocity imparted to the liquid.

In order to still further increase the distribution of the liquid, the perforations 2 of the tray may also be formed with baffle members, as shown in Figs. 3 to 9.

Fig. 3 shows a concave tray in which the edge portions of the perforations H are headed, for instance by means of a mandrel, in a direction counter to'the direction of fiow of the liquid. These beaded edges 12 form baffle members.

In the tray of Fig. 4 rectilinear slots B are formed in the tray body by stamping or shearing, the edges of these slots being formed in Such manner as to present to the liquid jet inwardly deflecting faces Ill.

The trays in Figs. 5 and 8 are of the slightly convex type. In Fig. 5 the deflecting members l5 stamped from the tray material are directed towards a center situated high in the jet axis. Their edges may be straight, as shown at It in Fig. 8, or rounded as shown at I! in Fig. 7.

In the tray shown in Figs. 8 and 9 round perforations l8 have inwardly converging angular sheet metal pieces allotted to them as shown at 19 in Fig. 8, where an angular deflecting member is riveted or welded to the tray body near a perforation l8. This form is preferably used in the case where the tray is formed of heavy sheet plate which does not lend itself to beading.

The angle of inclination of the deflecting members preferably is smaller near the circumference of the tray than in its middle, as shown for instance in Figs. 5 and 8.

Any suitable material can be used in the construction of the tray, according to the character of the liquid to be distributed. If the liquid is not corrosive, plain sheet iron can be used. In the distribution of acid or salt solutions corrosion-fast steel, artificial resins or ceramic material may be used.

Various changes may be made in the construction of the trays shown and described in the foregoing specification without departing from the invention or sacrificing the advantages thereof.

We claim:

1. Liquid distributing device comprising in combination, a stationary tray formed with perforations arranged along concentric circles, means above said tray for directing a liquid jet onto the tray center, bafil members arranged near said perforations and near the periphery of said tray which extend at an acute angle to the upper tray surface with their inner faces converging towards the middle axis of said tray, the

smaller than the diameters of perforations in an outer circle.

HEINRICH 'I'RAMM.

FRANZ SCHAU'B.

References Cited in theflle Of this patent UNITED STATES. PATENTS Number Name Date 250,912 Grinnell Dec. 13, 1881 453,055

Ware May 26, 1891 Number Number 110 9,985 18,402 23,651 19,6715 253,921:

4 Name Date Fischer Aug. 24, 1915 Engel Dec. 20, 1921 Page Apr. 1, 1930 Britchard Dec. 15, 1931 Evans Got. 24, 1933 FOREIGN PATENTS Country Date Great Britain Apr. 23, 1910 Great Britain Sept. 2, 1908 Great Britain Nov. 5, 1908 Great Britain Aug. 27, 1909 Germany Nov. 19, 1912 

